CPU: 1 PID: 7939 Comm: rsyslogd Not tainted 4.20.0+ #2 BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 155s! Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 warn_alloc.cold+0xb6/0x1bc mm/page_alloc.c:3423 Showing busy workqueues and worker pools: __alloc_pages_slowpath+0x24e1/0x2cd0 mm/page_alloc.c:4291 workqueue events: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=6/256 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x9c/0x8c0 mm/slab.c:2677 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3219 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3287 __do_cache_alloc mm/slab.c:3356 [inline] slab_alloc mm/slab.c:3384 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3552 __build_skb+0xaf/0x430 net/core/skbuff.c:284 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:425 netdev_alloc_skb include/linux/skbuff.h:2682 [inline] dev_alloc_skb include/linux/skbuff.h:2695 [inline] send_hsr_supervision_frame+0x110/0xf20 net/hsr/hsr_device.c:266 hsr_announce+0x12f/0x430 net/hsr/hsr_device.c:349 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:preempt_schedule_irq+0xab/0x140 kernel/sched/core.c:3699 Code: 00 00 e8 e8 e0 62 f9 e8 23 87 92 f9 4c 89 f0 48 c1 e8 03 80 3c 18 00 75 6c 48 83 3d ae 6d 9d 01 00 74 5e fb 66 0f 1f 44 00 00 01 00 00 00 e8 5b d1 ff ff 48 c7 c0 78 4f 92 89 48 c1 e8 03 80 RSP: 0000:ffff8880895ce9b8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13249f0 RBX: dffffc0000000000 RCX: 1ffff110106835b6 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88808341ad3c RBP: ffff8880895ce9d8 R08: 0000000000000006 R09: ffff88808341adb0 R10: ffff88808341a4c0 R11: 0000000000000000 R12: ffffed1010683498 R13: ffff88808341a4c0 R14: ffffffff89924f80 R15: 0000000000000000 retint_kernel+0x1b/0x2d RIP: 0010:arch_local_irq_restore+0x4e/0x56 arch/x86/include/asm/paravirt.h:766 Code: 00 74 0c 48 c7 c7 70 4f 92 89 e8 d3 16 d6 f9 48 83 3d 1b f1 a3 01 00 75 07 e8 d4 e8 92 f9 0f 0b e8 cd e8 92 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 bb e8 92 f9 48 c7 c2 80 d5 0f 8c 4c 89 RSP: 0000:ffff8880895cea90 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 RAX: ffff88808341a4c0 RBX: 0000000000000293 RCX: 1ffff110106835b6 RDX: 0000000000000000 RSI: ffffffff87ee5e63 RDI: 0000000000000293 RBP: ffff8880895cea98 R08: 0000000000000006 R09: ffff88808341adb0 R10: ffff88808341a4c0 R11: 0000000000000000 R12: 0000000000000293 R13: 00000000ffffffff R14: 0000000000000200 R15: ffff8880895ceb28 dump_stack+0x282/0x2d0 lib/dump_stack.c:118 dump_header+0x22f/0xfc0 mm/oom_kill.c:441 oom_kill_process.cold+0x10/0x9d4 mm/oom_kill.c:953 out_of_memory+0xa74/0x13f0 mm/oom_kill.c:1120 __alloc_pages_may_oom mm/page_alloc.c:3519 [inline] __alloc_pages_slowpath+0x2224/0x2cd0 mm/page_alloc.c:4229 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc mm/filemap.c:924 [inline] __page_cache_alloc+0x3cd/0x620 mm/filemap.c:909 page_cache_read mm/filemap.c:2312 [inline] filemap_fault+0x1387/0x2640 mm/filemap.c:2496 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6292 __do_fault+0xed/0x670 mm/memory.c:2996 do_read_fault mm/memory.c:3408 [inline] do_fault mm/memory.c:3534 [inline] handle_pte_fault mm/memory.c:3765 [inline] __handle_mm_fault+0x37be/0x56d0 mm/memory.c:3889 handle_mm_fault+0x4ec/0xc80 mm/memory.c:3926 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline] __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541 do_page_fault+0xe6/0x7d8 arch/x86/mm/fault.c:1572 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143 RIP: 0033:0x7fa16b9491fd Code: Bad RIP value. RSP: 002b:00007fa168ee8e30 EFLAGS: 00010293 RAX: 00000000000000bb RBX: 0000000002590650 RCX: 00007fa16b9491fd RDX: 0000000000000fff RSI: 00007fa16a71d5a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 000000000257b260 R09: 0000000000000000 R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420 R13: 00007fa168ee99c0 R14: 00007fa16bf8e040 R15: 0000000000000003 warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: active_anon:53596 inactive_anon:269 isolated_anon:0 active_file:16 inactive_file:11 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:10264 slab_unreclaimable:1454078 mapped:49154 shmem:308 pagetables:683 bounce:0 free:10937 free_pcp:247 free_cma:0 Node 0 active_anon:214384kB inactive_anon:1076kB active_file:56kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1232kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 1 active_anon:0kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 DMA free:10220kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2535 2537 2537 Node 0 DMA32 free:13472kB min:36080kB low:45100kB high:54120kB active_anon:214384kB inactive_anon:1076kB active_file:56kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2599656kB mlocked:0kB kernel_stack:6912kB pagetables:2732kB bounce:0kB free_pcp:684kB local_pcp:60kB free_cma:0kB lowmem_reserve[]: 0 0 2 2 Node 0 Normal free:0kB min:28kB low:32kB high:36kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2204kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 1 Normal free:20056kB min:53780kB low:67224kB high:80668kB active_anon:0kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:304kB local_pcp:172kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 1*32kB (U) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10220kB Node 0 DMA32: 802*4kB (UMEH) 353*8kB (UMEH) 142*16kB (UMEH) 55*32kB (UM) 18*64kB (M) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 13520kB Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Node 1 Normal: 4*4kB (UMH) 5*8kB (MEH) 2*16kB (ME) 2*32kB (M) 3*64kB (ME) 4*128kB (MEH) 3*256kB (UM) 4*512kB (UM) 2*1024kB (UM) 1*2048kB (E) 3*4096kB (M) = 20056kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 335 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 343991 pages reserved 0 pages cma reserved rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) rsyslogd cpuset=/ mems_allowed=0-1 CPU: 1 PID: 7939 Comm: rsyslogd Not tainted 4.20.0+ #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 pending: kernfs_notify_workfn, defense_work_handler, defense_work_handler, defense_work_handler, defense_work_handler, psi_update_work Call Trace: ====================================================== WARNING: possible circular locking dependency detected 4.20.0+ #2 Not tainted ------------------------------------------------------ syz-executor0/1108 is trying to acquire lock: 00000000bb5f097d (console_owner){-.-.}, at: console_trylock_spinning kernel/printk/printk.c:1670 [inline] 00000000bb5f097d (console_owner){-.-.}, at: vprintk_emit+0x54f/0x960 kernel/printk/printk.c:1930 but task is already holding lock: 00000000a8f34d0a (&(&pool->lock)->rlock){-.-.}, at: show_workqueue_state.cold+0xac5/0x15a8 kernel/workqueue.c:4557 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (&(&pool->lock)->rlock){-.-.}: __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] __queue_work+0x2d9/0x1450 kernel/workqueue.c:1417 queue_work_on+0x192/0x200 kernel/workqueue.c:1486 queue_work include/linux/workqueue.h:512 [inline] schedule_work include/linux/workqueue.h:570 [inline] put_pwq kernel/workqueue.c:1090 [inline] put_pwq+0x178/0x1d0 kernel/workqueue.c:1075 put_pwq_unlocked.part.0+0x34/0x70 kernel/workqueue.c:1107 put_pwq_unlocked kernel/workqueue.c:1101 [inline] destroy_workqueue+0x854/0x9b0 kernel/workqueue.c:4217 do_floppy_init drivers/block/floppy.c:4708 [inline] floppy_async_init+0x1fd4/0x212b drivers/block/floppy.c:4726 async_run_entry_fn+0x1ab/0x7f0 kernel/async.c:127 process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 -> #3 (&pool->lock/1){..-.}: __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] __queue_work+0x2d9/0x1450 kernel/workqueue.c:1417 queue_work_on+0x192/0x200 kernel/workqueue.c:1486 queue_work include/linux/workqueue.h:512 [inline] tty_schedule_flip+0x149/0x1e0 drivers/tty/tty_buffer.c:413 tty_flip_buffer_push+0x16/0x20 drivers/tty/tty_buffer.c:556 pty_write+0x1a6/0x200 drivers/tty/pty.c:125 n_tty_write+0xb9e/0x11d0 drivers/tty/n_tty.c:2354 do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x45b/0x7a0 drivers/tty/tty_io.c:1043 __vfs_write+0x116/0xa80 fs/read_write.c:485 vfs_write+0x20c/0x560 fs/read_write.c:549 ksys_write+0x105/0x260 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #2 (&(&port->lock)->rlock){-.-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 tty_port_tty_get+0x22/0x80 drivers/tty/tty_port.c:287 tty_port_default_wakeup+0x16/0x40 drivers/tty/tty_port.c:47 tty_port_tty_wakeup+0x5d/0x70 drivers/tty/tty_port.c:387 uart_write_wakeup+0x46/0x70 drivers/tty/serial/serial_core.c:103 serial8250_tx_chars+0x4a4/0xb20 drivers/tty/serial/8250/8250_port.c:1806 serial8250_handle_irq.part.0+0x1e2/0x270 drivers/tty/serial/8250/8250_port.c:1879 serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1865 [inline] serial8250_default_handle_irq+0xc5/0x150 drivers/tty/serial/8250/8250_port.c:1895 serial8250_interrupt+0xfb/0x1a0 drivers/tty/serial/8250/8250_core.c:125 __handle_irq_event_percpu+0x1c6/0xb10 kernel/irq/handle.c:149 handle_irq_event_percpu+0xa0/0x1d0 kernel/irq/handle.c:189 handle_irq_event+0xa7/0x134 kernel/irq/handle.c:206 handle_edge_irq+0x232/0x8a0 kernel/irq/chip.c:791 generic_handle_irq_desc include/linux/irqdesc.h:154 [inline] handle_irq+0x252/0x3d8 arch/x86/kernel/irq_64.c:78 do_IRQ+0x99/0x1d0 arch/x86/kernel/irq.c:246 ret_from_intr+0x0/0x1e arch_local_irq_restore arch/x86/include/asm/paravirt.h:766 [inline] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] _raw_spin_unlock_irqrestore+0x95/0xe0 kernel/locking/spinlock.c:184 spin_unlock_irqrestore include/linux/spinlock.h:384 [inline] uart_write+0x4c0/0x750 drivers/tty/serial/serial_core.c:598 process_output_block drivers/tty/n_tty.c:593 [inline] n_tty_write+0x497/0x11d0 drivers/tty/n_tty.c:2331 do_tty_write drivers/tty/tty_io.c:959 [inline] tty_write+0x45b/0x7a0 drivers/tty/tty_io.c:1043 redirected_tty_write+0xb2/0xc0 drivers/tty/tty_io.c:1064 __vfs_write+0x116/0xa80 fs/read_write.c:485 vfs_write+0x20c/0x560 fs/read_write.c:549 ksys_write+0x105/0x260 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #1 (&port_lock_key){-.-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 serial8250_console_write+0x894/0xb00 drivers/tty/serial/8250/8250_port.c:3247 univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:586 call_console_drivers kernel/printk/printk.c:1737 [inline] console_unlock+0xcff/0x11e0 kernel/printk/printk.c:2408 vprintk_emit+0x370/0x960 kernel/printk/printk.c:1931 vprintk_default+0x28/0x30 kernel/printk/printk.c:1958 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:1991 register_console+0x74d/0xb50 kernel/printk/printk.c:2723 univ8250_console_init+0x3e/0x4b drivers/tty/serial/8250/8250_core.c:681 console_init+0x6b7/0x9fe kernel/printk/printk.c:2809 start_kernel+0x5da/0x8bd init/main.c:667 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:470 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:451 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 -> #0 (console_owner){-.-.}: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 console_trylock_spinning kernel/printk/printk.c:1691 [inline] vprintk_emit+0x5a5/0x960 kernel/printk/printk.c:1930 vprintk_default+0x28/0x30 kernel/printk/printk.c:1958 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:1991 show_pwq kernel/workqueue.c:4464 [inline] show_workqueue_state.cold+0xc5f/0x15a8 kernel/workqueue.c:4559 wq_watchdog_timer_fn+0x6bd/0x7e0 kernel/workqueue.c:5571 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681 run_timer_softirq+0x88/0xb0 kernel/time/timer.c:1696 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 arch_local_irq_restore arch/x86/include/asm/paravirt.h:766 [inline] slab_alloc_node mm/slab.c:3329 [inline] kmem_cache_alloc_node_trace+0x250/0x720 mm/slab.c:3661 __do_kmalloc_node mm/slab.c:3683 [inline] __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3698 __kmalloc_reserve.isra.0+0xcb/0xe0 net/core/skbuff.c:148 pskb_expand_head+0x1f6/0x1080 net/core/skbuff.c:1465 skb_ensure_writable net/core/skbuff.c:5146 [inline] skb_ensure_writable+0x3dc/0x650 net/core/skbuff.c:5138 __bpf_try_make_writable net/core/filter.c:1635 [inline] bpf_try_make_writable net/core/filter.c:1641 [inline] bpf_try_make_head_writable net/core/filter.c:1649 [inline] ____bpf_clone_redirect net/core/filter.c:2086 [inline] bpf_clone_redirect+0x135/0x470 net/core/filter.c:2064 bpf_prog_bebbfe2050753572+0x1de/0x1000 other info that might help us debug this: Chain exists of: console_owner --> &pool->lock/1 --> &(&pool->lock)->rlock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&(&pool->lock)->rlock); lock(&pool->lock/1); lock(&(&pool->lock)->rlock); lock(console_owner); *** DEADLOCK *** 4 locks held by syz-executor0/1108: #0: 000000000a355e76 (rcu_read_lock){....}, at: bpf_test_run+0x39b/0x7c0 net/bpf/test_run.c:52 #1: 000000009b514d63 ((&wq_watchdog_timer)){+.-.}, at: lockdep_copy_map include/linux/lockdep.h:171 [inline] #1: 000000009b514d63 ((&wq_watchdog_timer)){+.-.}, at: call_timer_fn+0x1b4/0x900 kernel/time/timer.c:1315 #2: 00000000d166a95c (rcu_read_lock_sched){....}, at: show_workqueue_state+0x0/0x180 kernel/workqueue.c:4423 #3: 00000000a8f34d0a (&(&pool->lock)->rlock){-.-.}, at: show_workqueue_state.cold+0xac5/0x15a8 kernel/workqueue.c:4557 stack backtrace: CPU: 0 PID: 1108 Comm: syz-executor0 Not tainted 4.20.0+ #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1224 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2350 [inline] __lock_acquire+0x3014/0x4a30 kernel/locking/lockdep.c:3338 lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 console_trylock_spinning kernel/printk/printk.c:1691 [inline] vprintk_emit+0x5a5/0x960 kernel/printk/printk.c:1930 vprintk_default+0x28/0x30 kernel/printk/printk.c:1958 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:1991 show_pwq kernel/workqueue.c:4464 [inline] show_workqueue_state.cold+0xc5f/0x15a8 kernel/workqueue.c:4559 wq_watchdog_timer_fn+0x6bd/0x7e0 kernel/workqueue.c:5571 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681 run_timer_softirq+0x88/0xb0 kernel/time/timer.c:1696 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 ? check_preemption_disabled+0 Lost 72 message(s)! pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=8/256 pending: check_corruption, psi_update_work, defense_work_handler, defense_work_handler, defense_work_handler, psi_update_work, vmstat_shepherd, cache_reap __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 workqueue events_long: flags=0x0 warn_alloc.cold+0xb6/0x1bc mm/page_alloc.c:3423 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=6/256 pending: br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup workqueue events_power_efficient: flags=0x80 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 pending: neigh_periodic_work, do_cache_clean __alloc_pages_slowpath+0x24e1/0x2cd0 mm/page_alloc.c:4291 workqueue mm_percpu_wq: flags=0x8 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 pending: vmstat_update workqueue dm_bufio_cache: flags=0x8 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 pending: work_fn workqueue krxrpcd: flags=0x0 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 pending: rxrpc_peer_keepalive_worker delayed: rxrpc_peer_keepalive_worker workqueue bat_events: flags=0xe000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 pending: batadv_tt_purge delayed: batadv_tt_purge, batadv_tt_purge, batadv_nc_worker, batadv_nc_worker, batadv_nc_worker, batadv_nc_worker, batadv_nc_worker, batadv_nc_worker, batadv_purge_orig, batadv_purge_orig, batadv_purge_orig, batadv_purge_orig, batadv_purge_orig, batadv_purge_orig, batadv_mcast_mla_update, batadv_mcast_mla_update, batadv_mcast_mla_update, batadv_mcast_mla_update, batadv_mcast_mla_update, batadv_mcast_mla_update, batadv_tt_purge, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393 kworker/0:4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) kworker/0:4 cpuset=/ mems_allowed=0-1 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x9c/0x8c0 mm/slab.c:2677 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3219 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3287 __do_cache_alloc mm/slab.c:3356 [inline] slab_alloc mm/slab.c:3384 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3552 __build_skb+0xaf/0x430 net/core/skbuff.c:284 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:425 netdev_alloc_skb include/linux/skbuff.h:2682 [inline] dev_alloc_skb include/linux/skbuff.h:2695 [inline] send_hsr_supervision_frame+0x110/0xf20 net/hsr/hsr_device.c:266 hsr_announce+0x12f/0x430 net/hsr/hsr_device.c:349 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:preempt_schedule_irq+0xab/0x140 kernel/sched/core.c:3699 Code: 00 00 e8 e8 e0 62 f9 e8 23 87 92 f9 4c 89 f0 48 c1 e8 03 80 3c 18 00 75 6c 48 83 3d ae 6d 9d 01 00 74 5e fb 66 0f 1f 44 00 00 01 00 00 00 e8 5b d1 ff ff 48 c7 c0 78 4f 92 89 48 c1 e8 03 80 RSP: 0000:ffff8880895ce9b8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13249f0 RBX: dffffc0000000000 RCX: 1ffff110106835b6 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88808341ad3c RBP: ffff8880895ce9d8 R08: 0000000000000006 R09: ffff88808341adb0 R10: ffff88808341a4c0 R11: 0000000000000000 R12: ffffed1010683498 R13: ffff88808341a4c0 R14: ffffffff89924f80 R15: 0000000000000000 retint_kernel+0x1b/0x2d RIP: 0010:arch_local_irq_restore+0x4e/0x56 arch/x86/include/asm/paravirt.h:766 Code: 00 74 0c 48 c7 c7 70 4f 92 89 e8 d3 16 d6 f9 48 83 3d 1b f1 a3 01 00 75 07 e8 d4 e8 92 f9 0f 0b e8 cd e8 92 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 bb e8 92 f9 48 c7 c2 80 d5 0f 8c 4c 89 RSP: 0000:ffff8880895cea90 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 RAX: ffff88808341a4c0 RBX: 0000000000000293 RCX: 1ffff110106835b6 RDX: 0000000000000000 RSI: ffffffff87ee5e63 RDI: 0000000000000293 RBP: ffff8880895cea98 R08: 0000000000000006 R09: ffff88808341adb0 R10: ffff88808341a4c0 R11: 0000000000000000 R12: 0000000000000293 R13: 00000000ffffffff R14: 0000000000000200 R15: ffff8880895ceb28 dump_stack+0x282/0x2d0 lib/dump_stack.c:118 dump_header+0x22f/0xfc0 mm/oom_kill.c:441 oom_kill_process.cold+0x10/0x9d4 mm/oom_kill.c:953 out_of_memory+0xa74/0x13f0 mm/oom_kill.c:1120 __alloc_pages_may_oom mm/page_alloc.c:3519 [inline] __alloc_pages_slowpath+0x2224/0x2cd0 mm/page_alloc.c:4229 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc mm/filemap.c:924 [inline] __page_cache_alloc+0x3cd/0x620 mm/filemap.c:909 page_cache_read mm/filemap.c:2312 [inline] filemap_fault+0x1387/0x2640 mm/filemap.c:2496 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6292 __do_fault+0xed/0x670 mm/memory.c:2996 do_read_fault mm/memory.c:3408 [inline] do_fault mm/memory.c:3534 [inline] handle_pte_fault mm/memory.c:3765 [inline] __handle_mm_fault+0x37be/0x56d0 mm/memory.c:3889 handle_mm_fault+0x4ec/0xc80 mm/memory.c:3926 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline] __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541 do_page_fault+0xe6/0x7d8 arch/x86/mm/fault.c:1572 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143 RIP: 0033:0x7fa16b9491fd Code: Bad RIP value. RSP: 002b:00007fa168ee8e30 EFLAGS: 00010293 RAX: 00000000000000bb RBX: 0000000002590650 RCX: 00007fa16b9491fd RDX: 0000000000000fff RSI: 00007fa16a71d5a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 000000000257b260 R09: 0000000000000000 R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420 R13: 00007fa168ee99c0 R14: 00007fa16bf8e040 R15: 0000000000000003 CPU: 0 PID: 8095 Comm: kworker/0:4 Not tainted 4.20.0+ #2 rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 rsyslogd cpuset=/ mems_allowed=0-1 Workqueue: events_long br_fdb_cleanup Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 warn_alloc.cold+0xb6/0x1bc mm/page_alloc.c:3423 __alloc_pages_slowpath+0x24e1/0x2cd0 mm/page_alloc.c:4291 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x9c/0x8c0 mm/slab.c:2677 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3219 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3642 __alloc_skb+0xf4/0x730 net/core/skbuff.c:196 alloc_skb include/linux/skbuff.h:1011 [inline] nlmsg_new include/net/netlink.h:654 [inline] fdb_notify+0x9f/0x190 net/bridge/br_fdb.c:706 fdb_delete+0x7dc/0x1210 net/bridge/br_fdb.c:211 br_fdb_cleanup+0x4b5/0x610 net/bridge/br_fdb.c:362 process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 CPU: 1 PID: 7939 Comm: rsyslogd Not tainted 4.20.0+ #2 ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ksoftirqd/0 cpuset=/ mems_allowed=0-1 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 warn_alloc.cold+0xb6/0x1bc mm/page_alloc.c:3423 __alloc_pages_slowpath+0x24e1/0x2cd0 mm/page_alloc.c:4291 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x9c/0x8c0 mm/slab.c:2677 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3219 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3287 __do_cache_alloc mm/slab.c:3356 [inline] slab_alloc mm/slab.c:3384 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3552 __build_skb+0xaf/0x430 net/core/skbuff.c:284 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:425 netdev_alloc_skb include/linux/skbuff.h:2682 [inline] dev_alloc_skb include/linux/skbuff.h:2695 [inline] send_hsr_supervision_frame+0x110/0xf20 net/hsr/hsr_device.c:266 hsr_announce+0x12f/0x430 net/hsr/hsr_device.c:349 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:preempt_schedule_irq+0xab/0x140 kernel/sched/core.c:3699 Code: 00 00 e8 e8 e0 62 f9 e8 23 87 92 f9 4c 89 f0 48 c1 e8 03 80 3c 18 00 75 6c 48 83 3d ae 6d 9d 01 00 74 5e fb 66 0f 1f 44 00 00 01 00 00 00 e8 5b d1 ff ff 48 c7 c0 78 4f 92 89 48 c1 e8 03 80 RSP: 0000:ffff8880895ce9b8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13249f0 RBX: dffffc0000000000 RCX: 1ffff110106835b6 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88808341ad3c RBP: ffff8880895ce9d8 R08: 0000000000000006 R09: ffff88808341adb0 R10: ffff88808341a4c0 R11: 0000000000000000 R12: ffffed1010683498 R13: ffff88808341a4c0 R14: ffffffff89924f80 R15: 0000000000000000 retint_kernel+0x1b/0x2d RIP: 0010:arch_local_irq_restore+0x4e/0x56 arch/x86/include/asm/paravirt.h:766 Code: 00 74 0c 48 c7 c7 70 4f 92 89 e8 d3 16 d6 f9 48 83 3d 1b f1 a3 01 00 75 07 e8 d4 e8 92 f9 0f 0b e8 cd e8 92 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 bb e8 92 f9 48 c7 c2 80 d5 0f 8c 4c 89 RSP: 0000:ffff8880895cea90 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 RAX: ffff88808341a4c0 RBX: 0000000000000293 RCX: 1ffff110106835b6 RDX: 0000000000000000 RSI: ffffffff87ee5e63 RDI: 0000000000000293 RBP: ffff8880895cea98 R08: 0000000000000006 R09: ffff88808341adb0 R10: ffff88808341a4c0 R11: 0000000000000000 R12: 0000000000000293 R13: 00000000ffffffff R14: 0000000000000200 R15: ffff8880895ceb28 dump_stack+0x282/0x2d0 lib/dump_stack.c:118 dump_header+0x22f/0xfc0 mm/oom_kill.c:441 oom_kill_process.cold+0x10/0x9d4 mm/oom_kill.c:953 out_of_memory+0xa74/0x13f0 mm/oom_kill.c:1120 __alloc_pages_may_oom mm/page_alloc.c:3519 [inline] __alloc_pages_slowpath+0x2224/0x2cd0 mm/page_alloc.c:4229 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc mm/filemap.c:924 [inline] __page_cache_alloc+0x3cd/0x620 mm/filemap.c:909 page_cache_read mm/filemap.c:2312 [inline] filemap_fault+0x1387/0x2640 mm/filemap.c:2496 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6292 __do_fault+0xed/0x670 mm/memory.c:2996 do_read_fault mm/memory.c:3408 [inline] do_fault mm/memory.c:3534 [inline] handle_pte_fault mm/memory.c:3765 [inline] __handle_mm_fault+0x37be/0x56d0 mm/memory.c:3889 handle_mm_fault+0x4ec/0xc80 mm/memory.c:3926 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline] __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541 do_page_fault+0xe6/0x7d8 arch/x86/mm/fault.c:1572 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143 RIP: 0033:0x7fa16b9491fd Code: Bad RIP value. RSP: 002b:00007fa168ee8e30 EFLAGS: 00010293 RAX: 00000000000000bb RBX: 0000000002590650 RCX: 00007fa16b9491fd RDX: 0000000000000fff RSI: 00007fa16a71d5a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 000000000257b260 R09: 0000000000000000 R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420 R13: 00007fa168ee99c0 R14: 00007fa16bf8e040 R15: 0000000000000003 warn_alloc_show_mem: 2 callbacks suppressed CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0+ #2 Mem-Info: active_anon:53596 inactive_anon:269 isolated_anon:0 active_file:16 inactive_file:11 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:10264 slab_unreclaimable:1454078 mapped:49154 shmem:308 pagetables:683 bounce:0 free:10937 free_pcp:247 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:214384kB inactive_anon:1076kB active_file:56kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1232kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 1 active_anon:0kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 Node 0 DMA free:10220kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2535 2537 2537 Node 0 DMA32 free:13472kB min:36080kB low:45100kB high:54120kB active_anon:214384kB inactive_anon:1076kB active_file:56kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2599656kB mlocked:0kB kernel_stack:6912kB pagetables:2732kB bounce:0kB free_pcp:684kB local_pcp:60kB free_cma:0kB warn_alloc.cold+0xb6/0x1bc mm/page_alloc.c:3423 lowmem_reserve[]: 0 0 2 2 Node 0 Normal free:0kB min:28kB low:32kB high:36kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2204kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 1 Normal free:20056kB min:53780kB low:67224kB high:80668kB active_anon:0kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:304kB local_pcp:172kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 1*32kB (U) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10220kB __alloc_pages_slowpath+0x24e1/0x2cd0 mm/page_alloc.c:4291 Node 0 DMA32: 802*4kB (UMEH) 353*8kB (UMEH) 142*16kB (UMEH) 55*32kB (UM) 18*64kB (M) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 13520kB Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Node 1 Normal: 4*4kB (UMH) 5*8kB (MEH) 2*16kB (ME) 2*32kB (M) 3*64kB (ME) 4*128kB (MEH) 3*256kB (UM) 4*512kB (UM) 2*1024kB (UM) 1*2048kB (E) 3*4096kB (M) = 20056kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 335 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 343991 pages reserved 0 pages cma reserved rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) rsyslogd cpuset=/ mems_allowed=0-1 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x9c/0x8c0 mm/slab.c:2677 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3219 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3287 __do_cache_alloc mm/slab.c:3356 [inline] slab_alloc mm/slab.c:3384 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3552 __build_skb+0xaf/0x430 net/core/skbuff.c:284 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:425 netdev_alloc_skb include/linux/skbuff.h:2682 [inline] dev_alloc_skb include/linux/skbuff.h:2695 [inline] send_hsr_supervision_frame+0x110/0xf20 net/hsr/hsr_device.c:266 hsr_announce+0x12f/0x430 net/hsr/hsr_device.c:349 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 run_ksoftirqd kernel/softirq.c:654 [inline] run_ksoftirqd+0x8e/0x110 kernel/softirq.c:646 smpboot_thread_fn+0x6ab/0xa10 kernel/smpboot.c:164 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 CPU: 1 PID: 7939 Comm: rsyslogd Not tainted 4.20.0+ #2 ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ksoftirqd/0 cpuset=/ mems_allowed=0-1 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 warn_alloc.cold+0xb6/0x1bc mm/page_alloc.c:3423 __alloc_pages_slowpath+0x24e1/0x2cd0 mm/page_alloc.c:4291 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x9c/0x8c0 mm/slab.c:2677 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3219 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3287 __do_cache_alloc mm/slab.c:3356 [inline] slab_alloc mm/slab.c:3384 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3552 __build_skb+0xaf/0x430 net/core/skbuff.c:284 __netdev_alloc_skb+0x2ba/0x470 net/core/skbuff.c:425 netdev_alloc_skb include/linux/skbuff.h:2682 [inline] dev_alloc_skb include/linux/skbuff.h:2695 [inline] send_hsr_supervision_frame+0x110/0xf20 net/hsr/hsr_device.c:266 hsr_announce+0x12f/0x430 net/hsr/hsr_device.c:349 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:preempt_schedule_irq+0xab/0x140 kernel/sched/core.c:3699 Code: 00 00 e8 e8 e0 62 f9 e8 23 87 92 f9 4c 89 f0 48 c1 e8 03 80 3c 18 00 75 6c 48 83 3d ae 6d 9d 01 00 74 5e fb 66 0f 1f 44 00 00 01 00 00 00 e8 5b d1 ff ff 48 c7 c0 78 4f 92 89 48 c1 e8 03 80 RSP: 0000:ffff8880895ce9b8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13249f0 RBX: dffffc0000000000 RCX: 1ffff110106835b6 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88808341ad3c RBP: ffff8880895ce9d8 R08: 0000000000000006 R09: ffff88808341adb0 R10: ffff88808341a4c0 R11: 0000000000000000 R12: ffffed1010683498 R13: ffff88808341a4c0 R14: ffffffff89924f80 R15: 0000000000000000 retint_kernel+0x1b/0x2d RIP: 0010:arch_local_irq_restore+0x4e/0x56 arch/x86/include/asm/paravirt.h:766 Code: 00 74 0c 48 c7 c7 70 4f 92 89 e8 d3 16 d6 f9 48 83 3d 1b f1 a3 01 00 75 07 e8 d4 e8 92 f9 0f 0b e8 cd e8 92 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 bb e8 92 f9 48 c7 c2 80 d5 0f 8c 4c 89 RSP: 0000:ffff8880895cea90 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 RAX: ffff88808341a4c0 RBX: 0000000000000293 RCX: 1ffff110106835b6 RDX: 0000000000000000 RSI: ffffffff87ee5e63 RDI: 0000000000000293 RBP: ffff8880895cea98 R08: 0000000000000006 R09: ffff88808341adb0 R10: ffff88808341a4c0 R11: 0000000000000000 R12: 0000000000000293 R13: 00000000ffffffff R14: 0000000000000200 R15: ffff8880895ceb28 dump_stack+0x282/0x2d0 lib/dump_stack.c:118 dump_header+0x22f/0xfc0 mm/oom_kill.c:441 oom_kill_process.cold+0x10/0x9d4 mm/oom_kill.c:953 out_of_memory+0xa74/0x13f0 mm/oom_kill.c:1120 __alloc_pages_may_oom mm/page_alloc.c:3519 [inline] __alloc_pages_slowpath+0x2224/0x2cd0 mm/page_alloc.c:4229 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc mm/filemap.c:924 [inline] __page_cache_alloc+0x3cd/0x620 mm/filemap.c:909 page_cache_read mm/filemap.c:2312 [inline] filemap_fault+0x1387/0x2640 mm/filemap.c:2496 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6292 __do_fault+0xed/0x670 mm/memory.c:2996 do_read_fault mm/memory.c:3408 [inline] do_fault mm/memory.c:3534 [inline] handle_pte_fault mm/memory.c:3765 [inline] __handle_mm_fault+0x37be/0x56d0 mm/memory.c:3889 handle_mm_fault+0x4ec/0xc80 mm/memory.c:3926 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline] __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541 do_page_fault+0xe6/0x7d8 arch/x86/mm/fault.c:1572 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143 RIP: 0033:0x7fa16b9491fd Code: Bad RIP value. RSP: 002b:00007fa168ee8e30 EFLAGS: 00010293 RAX: 00000000000000bb RBX: 0000000002590650 RCX: 00007fa16b9491fd RDX: 0000000000000fff RSI: 00007fa16a71d5a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 000000000257b260 R09: 0000000000000000 R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420 R13: 00007fa168ee99c0 R14: 00007fa16bf8e040 R15: 0000000000000003 warn_alloc_show_mem: 1 callbacks suppressed CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0+ #2 Mem-Info: active_anon:53596 inactive_anon:269 isolated_anon:0 active_file:16 inactive_file:11 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:10264 slab_unreclaimable:1454078 mapped:49154 shmem:308 pagetables:683 bounce:0 free:10937 free_pcp:247 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:214384kB inactive_anon:1076kB active_file:56kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1232kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 1 active_anon:0kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 Node 0 DMA free:10220kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2535 2537 2537 Node 0 DMA32 free:13472kB min:36080kB low:45100kB high:54120kB active_anon:214384kB inactive_anon:1076kB active_file:56kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2599656kB mlocked:0kB kernel_stack:6912kB pagetables:2732kB bounce:0kB free_pcp:684kB local_pcp:60kB free_cma:0kB warn_alloc.cold+0xb6/0x1bc mm/page_alloc.c:3423 lowmem_reserve[]: 0 0 2 2 Node 0 Normal free:0kB min:28kB low:32kB high:36kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2204kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 1 Normal free:20056kB min:53780kB low:67224kB high:80668kB active_anon:0kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:304kB local_pcp:172kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 1*32kB (U) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10220kB __alloc_pages_slowpath+0x24e1/0x2cd0 mm/page_alloc.c:4291 Node 0 DMA32: 802*4kB (UMEH) 353*8kB (UMEH) 142*16kB (UMEH) 55*32kB (UM) 18*64kB (M) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 13520kB Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Node 1 Normal: 4*4kB (UMH) 5*8kB (MEH) 2*16kB (ME) 2*32kB (M) 3*64kB (ME) 4*128kB (MEH) 3*256kB (UM) 4*512kB (UM) 2*1024kB (UM) 1*2048kB (E) 3*4096kB (M) = 20056kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 335 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 343991 pages reserved 0 pages cma reserved rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) rsyslogd cpuset=/ mems_allowed=0-1 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x9c/0x8c0 mm/slab.c:2677 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3219 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3287 __do_cache_alloc mm/slab.c:3356 [inline] slab_alloc mm/slab.c:3384 [inline] kmem_cache_alloc+0x1f3/0x700 mm/slab.c:3552 __build_skb+0xaf/0x430 net/core/skbuff.c:284 __napi_alloc_skb+0x1d2/0x300 net/core/skbuff.c:485 napi_alloc_skb include/linux/skbuff.h:2726 [inline] page_to_skb+0xed/0x900 drivers/net/virtio_net.c:380 receive_mergeable+0x144a/0x39c0 drivers/net/virtio_net.c:906 receive_buf+0xa88/0x3140 drivers/net/virtio_net.c:1015 virtnet_receive drivers/net/virtio_net.c:1304 [inline] virtnet_poll+0x59e/0x104a drivers/net/virtio_net.c:1391 napi_poll net/core/dev.c:6346 [inline] net_rx_action+0x76d/0x1930 net/core/dev.c:6412 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 run_ksoftirqd kernel/softirq.c:654 [inline] run_ksoftirqd+0x8e/0x110 kernel/softirq.c:646 smpboot_thread_fn+0x6ab/0xa10 kernel/smpboot.c:164 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 CPU: 1 PID: 7939 Comm: rsyslogd Not tainted 4.20.0+ #2 ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ksoftirqd/0 cpuset=/ mems_allowed=0-1 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 warn_alloc.cold+0xb6/0x1bc mm/page_alloc.c:3423 __alloc_pages_slowpath+0x24e1/0x2cd0 mm/page_alloc.c:4291 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x9c/0x8c0 mm/slab.c:2677 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3219 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3287 slab_alloc_node mm/slab.c:3327 [inline] kmem_cache_alloc_node+0xe3/0x710 mm/slab.c:3642 __alloc_skb+0xf4/0x730 net/core/skbuff.c:196 alloc_skb include/linux/skbuff.h:1011 [inline] ndisc_alloc_skb+0x13c/0x340 net/ipv6/ndisc.c:403 ndisc_send_rs+0x32d/0x6d0 net/ipv6/ndisc.c:669 addrconf_rs_timer+0x30f/0x680 net/ipv6/addrconf.c:3840 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:preempt_schedule_irq+0xab/0x140 kernel/sched/core.c:3699 Code: 00 00 e8 e8 e0 62 f9 e8 23 87 92 f9 4c 89 f0 48 c1 e8 03 80 3c 18 00 75 6c 48 83 3d ae 6d 9d 01 00 74 5e fb 66 0f 1f 44 00 00 01 00 00 00 e8 5b d1 ff ff 48 c7 c0 78 4f 92 89 48 c1 e8 03 80 RSP: 0000:ffff8880895ce9b8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13249f0 RBX: dffffc0000000000 RCX: 1ffff110106835b6 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88808341ad3c RBP: ffff8880895ce9d8 R08: 0000000000000006 R09: ffff88808341adb0 R10: ffff88808341a4c0 R11: 0000000000000000 R12: ffffed1010683498 R13: ffff88808341a4c0 R14: ffffffff89924f80 R15: 0000000000000000 retint_kernel+0x1b/0x2d RIP: 0010:arch_local_irq_restore+0x4e/0x56 arch/x86/include/asm/paravirt.h:766 Code: 00 74 0c 48 c7 c7 70 4f 92 89 e8 d3 16 d6 f9 48 83 3d 1b f1 a3 01 00 75 07 e8 d4 e8 92 f9 0f 0b e8 cd e8 92 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 e8 bb e8 92 f9 48 c7 c2 80 d5 0f 8c 4c 89 RSP: 0000:ffff8880895cea90 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 RAX: ffff88808341a4c0 RBX: 0000000000000293 RCX: 1ffff110106835b6 RDX: 0000000000000000 RSI: ffffffff87ee5e63 RDI: 0000000000000293 RBP: ffff8880895cea98 R08: 0000000000000006 R09: ffff88808341adb0 R10: ffff88808341a4c0 R11: 0000000000000000 R12: 0000000000000293 R13: 00000000ffffffff R14: 0000000000000200 R15: ffff8880895ceb28 dump_stack+0x282/0x2d0 lib/dump_stack.c:118 dump_header+0x22f/0xfc0 mm/oom_kill.c:441 oom_kill_process.cold+0x10/0x9d4 mm/oom_kill.c:953 out_of_memory+0xa74/0x13f0 mm/oom_kill.c:1120 __alloc_pages_may_oom mm/page_alloc.c:3519 [inline] __alloc_pages_slowpath+0x2224/0x2cd0 mm/page_alloc.c:4229 __alloc_pages_nodemask+0xa70/0xdf0 mm/page_alloc.c:4393 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106 alloc_pages include/linux/gfp.h:509 [inline] __page_cache_alloc mm/filemap.c:924 [inline] __page_cache_alloc+0x3cd/0x620 mm/filemap.c:909 page_cache_read mm/filemap.c:2312 [inline] filemap_fault+0x1387/0x2640 mm/filemap.c:2496 ext4_filemap_fault+0x83/0xaf fs/ext4/inode.c:6292 __do_fault+0xed/0x670 mm/memory.c:2996 do_read_fault mm/memory.c:3408 [inline] do_fault mm/memory.c:3534 [inline] handle_pte_fault mm/memory.c:3765 [inline] __handle_mm_fault+0x37be/0x56d0 mm/memory.c:3889 handle_mm_fault+0x4ec/0xc80 mm/memory.c:3926 do_user_addr_fault arch/x86/mm/fault.c:1475 [inline] __do_page_fault+0x5da/0xd60 arch/x86/mm/fault.c:1541 do_page_fault+0xe6/0x7d8 arch/x86/mm/fault.c:1572 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143 RIP: 0033:0x7fa16b9491fd Code: Bad RIP value. RSP: 002b:00007fa168ee8e30 EFLAGS: 00010293 RAX: 00000000000000bb RBX: 0000000002590650 RCX: 00007fa16b9491fd RDX: 0000000000000fff RSI: 00007fa16a71d5a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 000000000257b260 R09: 0000000000000000 R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420 R13: 00007fa168ee99c0 R14: 00007fa16bf8e040 R15: 0000000000000003 warn_alloc_show_mem: 1 callbacks suppressed CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0+ #2 Mem-Info: active_anon:53596 inactive_anon:269 isolated_anon:0 active_file:16 inactive_file:11 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:10264 slab_unreclaimable:1454078 mapped:49154 shmem:308 pagetables:683 bounce:0 free:10937 free_pcp:247 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:214384kB inactive_anon:1076kB active_file:56kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1232kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Call Trace: Node 1 active_anon:0kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 Node 0 DMA free:10220kB min:220kB low:272kB high:324kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2535 2537 2537 Node 0 DMA32 free:13472kB min:36080kB low:45100kB high:54120kB active_anon:214384kB inactive_anon:1076kB active_file:56kB inactive_file:48kB unevictable:0kB writepending:0kB present:3129332kB managed:2599656kB mlocked:0kB kernel_stack:6912kB pagetables:2732kB bounce:0kB free_pcp:684kB local_pcp:60kB free_cma:0kB warn_alloc.cold+0xb6/0x1bc mm/page_alloc.c:3423 lowmem_reserve[]: 0 0 2 2 Node 0 Normal free:0kB min:28kB low:32kB high:36kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:2204kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 1 Normal free:20056kB min:53780kB low:67224kB high:80668kB active_anon:0kB inactive_anon:0kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870184kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:304kB local_pcp:172kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 1*32kB (U) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10220kB __alloc_pages_slowpath+0x24e1/0x2cd0 mm/page_alloc.c:4291 Node 0 DMA32: 802*4kB (UMEH) 353*8kB (UMEH) 142*16kB (UMEH) 55*32kB (UM) 18*64kB (M) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 13520kB Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Node 1 Normal: 4*4kB (UMH) 5*8kB (MEH) 2*16kB (ME) 2*32kB (M) 3*64kB (ME) 4*128kB (MEH) 3*256kB (UM) 4*512kB (UM) 2*1024kB (UM) 1*2048kB (E) 3*4096kB (M) = 20056kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB